Fund Performance: The fund's historical performance relative to its benchmark and peers significantly influences its price. Strong, consistent returns typically attract more investors, increasing demand and potentially the price.

Market Conditions: Overall market trends, economic indicators (like interest rates and inflation), and global events can impact investor sentiment and risk appetite, affecting demand for the fund's underlying assets and its price.

Asset Allocation: The fund's specific investments, such as stocks, bonds, or real estate, and their performance directly influence the fund's overall value and price. Sector-specific performance also matters.

Expense Ratio: The fund's operating costs, including management fees and administrative expenses, reduce the net return to investors. Higher expense ratios can make the fund less attractive, potentially affecting its price.

Fund Size & Liquidity: Larger funds may have better economies of scale but can be harder to manage. Liquidity, or how easily investors can buy and sell shares, affects price stability.

Investor Demand: Simple supply and demand plays a role. Increased investor interest pushes the price up, while sell-offs drive it down.

Currency Fluctuations: If the fund invests in assets denominated in a foreign currency, exchange rate changes can impact the fund's value when converted back to the fund's base currency (presumably EUR).